package org.shiwen.week2.thursday;

public class q2 {
    public static void main(String[] args) {
        double PI = 3.14;
        System.out.println("半径分别为1.2的圆的面积是：" +  PI * 1.2 * 1.2);
        System.out.println("半径分别为2.5的圆的面积是：" +  PI * 2.5 * 2.5);
        System.out.println("半径分别为1.2的圆的面积是：" +  PI * 6 * 6);
    }
}
